Core tube for sodium-sulfur battery or sodium / nickel chloride battery and its manufacturing method

摘要

The present invention relates to a wick for a sodium-sulfur battery or a sodium-nickel chloride battery, and a method for manufacturing the same, and more particularly, after injecting sodium and sodium azide into the metal container 14 having an open bottom, And a metal container 915 having a length that is at least shorter than that of the metal container, is assembled with the metal container 14 to produce an inner wick 2, and then an outer wick in which the lower part is sealed and a hole is formed in the upper side thereof. (3) relates to a wick tube for a sodium-sulfur battery or a sodium-nickel chloride battery prepared by placing the inner wick tube 2 inside and sealing the upper end of the outer wick tube with a metal lid 10 to seal it. .